SQL Interview Questions http://career.guru99.com/top-50-sql-question-answers/ 1. What is DBMS? A Database Management System (DBMS) is a program that controls creation, maintenance and use of a database. DBMS can be termed as File Manager that manages data in a database rather than savi...
Structured Query Language is the main part of the relational database, which can be utilized for gaining access to the database and also plays a major role in the management of the database. On the other hand, MySQL is a Relational Database Management System like SQL Server, Informix, and...
delete or update information in a database. Usually, a query response returns data from different tables within the database, but this does not apply every time (for example, a delete query will not return
SQL Interview Question 面试的时候发现会问一些SQL的基本问题,在此总结一下。 ProgramInterview/SQL这个网站上的问题还比较全。 1. Join type INNER JOIN: Returns all rows when there is at least one match in BOTH tables LEFT JOIN: Return all rows from the left table, and the matched rows from the...
database management system. 11.What are the differences between DDL, DML and DCL in SQL? Ans: Following are some details of three. DDL stands for Data Definition Language. SQL queries like CREATE, ALTER, DROP and RENAME come under this. ...
Want more SQL interview prep? Try your hand with this free practice question: Cocoa Confections is a small bakery that sells brownies, cookies, pies, and other delicious treats to customers online. It keeps records of all of its online sales in an SQL database that is automatically populated...
7. What kind of information that SQL Server keeps in memory? 8. Customer asked to break the mirroring and failover to mirror database. What are the steps to be taken other than a manual failover? 9. Can you give some examples for One to One, One to Many and Many to Many relationsh...
It means it can support various data models like graph, document, key-value, etc. Another fundamental difference is that Oracle’s support comes with a price tag for industrial solutions. While MySQL is open-source. Now this question is one of the MySQL interview questions that should be ...
Database Name Error HostName LinkedServerName NTDomainName ServerName SQLHandle All these columns need not be available for all of the events, but depends on the event select we have to choose the appropriate columns. Filters: ApplicationName ...
Don't forget to check out sql-server-performance.com 5. What are the steps you will take, if you are tasked with securing an SQL Server? Again this is another open ended question. Here are some things you could talk about: Preferring NT authentication, using server, database and ...